package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.dto.DishDto;
import com.itheima.entity.Category;
import com.itheima.entity.Dish;
import com.itheima.entity.DishFlavor;
import com.itheima.service.CategoryService;
import com.itheima.service.DishFloverService;
import com.itheima.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/*
* 菜品管理
*
* */
@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private DishFloverService dishFloverService;

    @Autowired
    private CategoryService categoryService;
    /*
    * 新增菜品
    * */
    @PostMapping
     public R<String> save(@RequestBody DishDto dishDto){
             log.info(dishDto.toString());
   dishService.saveWithFlavor(dishDto);
         return R.success("新增菜品成功");

     }

     /*
     * 菜品信息分页·
     * */
     @GetMapping("/page")
      public R<Page> page(int page,int pageSize,String name){
          //构造分页构造器
       Page<Dish> pageInfo=new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage=new Page<>();
         //构造条件构造器
         LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
         //添加过滤条件
         queryWrapper.like(name!=null,Dish::getName,name);
         //添加排序条件
         queryWrapper.orderByDesc(Dish::getUpdateTime);
         //执行分页查询
         dishService.page(pageInfo,queryWrapper);
       //对象拷贝
         BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

         List<Dish> records = pageInfo.getRecords();
       List<DishDto> list=  records.stream().map((item)->{
                     DishDto dishDto = new DishDto();
                    BeanUtils.copyProperties(item,dishDto);
                     Long categoryId = item.getCategoryId();
            Category category= categoryService.getById(categoryId);
                   if (category!=null){
                       String categoryName=category.getName();
                       dishDto.setCategoryName(categoryName);
                   }

            return dishDto;
                 }).collect(Collectors.toList());
             dishDtoPage.setRecords(list);


         return R.success(dishDtoPage);

      }

       /*
       * 根据id来查询菜品信息
       *
       * */
      @GetMapping("/{id}")
      public R<DishDto> get(@PathVariable Long id){
          DishDto dishDto = dishService.getByIdWithFlover(id);
          return R.success(dishDto);
      }

    /*
     * 修改菜品
     * */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);
        return R.success("新增菜品成功");

    }

    /*
    *
    * 根据条件查询菜品数据
    * */
    @GetMapping("/list")
    public R<List<Dish>> list(Dish dish){
        //构建查询条件
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());

        //添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(queryWrapper);

        return  R.success(list);
    }
    @GetMapping("/list")
    public R<List<DishDto>> list(DishDto dish){
        //构建查询条件
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());

        //添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(queryWrapper);
        List<DishDto> dishDtoList=  list.stream().map((item)->{
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();
            Category category= categoryService.getById(categoryId);
            if (category!=null){
                String categoryName=category.getName();
                dishDto.setCategoryName(categoryName);
            }
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> queryWrapper1 = new LambdaQueryWrapper<>();
            queryWrapper1.eq(DishFlavor::getDishId,dishId);

            List<DishFlavor> dishFlavors = dishFloverService.list(queryWrapper1);
            dishDto.setFlavors(dishFlavors);
            return dishDto;
        }).collect(Collectors.toList());

        return  R.success(dishDtoList);
    }
}
